TM 9-6140-200-14
d. Adjust. To maintain or regulate, within prescribed limits by bringing into proper
or exact position or by setting the operating characteristics to specified
parameters.
e. Align. To adjust specified variable elements of an item to bring about optimum
or desired performance.
f. Calibrate. To determine and cause corrections to be made or to be adjusted
on instruments or test, measuring, and diagnostic equipment used in precision
measurement. Consists of comparisons of two instruments, one of which is a
certified standard of known accuracy, to detect and adjust any discrepancy in
the accuracy of the instrument being compared.
g. Remove/install. To remove and install the same item when required to
perform service or other maintenance functions. Install may be the act of
emplacing, seating or fixing into position a spare, repair part, or module
(component or assembly) in a manner to allow the proper functioning of a
piece of equipment or system.
h. Replace. To remove an unserviceable item and install a serviceable
counterpart in its place. Replacement is authorized by the MAC and shown as
the 3rd position code of the SMR code.
i. Repair. The application of maintenance services , including fault
troubleshooting , removal/installation, and disassembly/assembly
procedures , and maintenance actions , to identify trouble and restore
serviceability to an item by correcting specific damage, fault, malfunction in a
part, subassembly, module (component or assembly), end item or system.
Service- inspect, test, service, adjust, aline, calibrate, and/or replace.
Fault- locate/troubleshoot- the process of investigating and detecting the
cause of equipment malfunction, the act of isolating a fault within a
system or unit under test (UUT).
Disassemble/assemble- encompasses the step-by-step taking apart (or
breakdown) of a spare/function group coded item to the level of its least
componency identified as maintenance under consideration.
B-2
